Gaya APA
Altmant, A., Schwartz, A. (1983).
Malignant Diseases of Infancy, Childhood and Adolescence (2nd. ed).
Philadelphia:
WB. Saundesrs.
Gaya MLA
Altmant, Arnold., Schwartz, Allen.
"Malignant Diseases of Infancy, Childhood and Adolescence".
2nd. ed
Philadelphia:
WB. Saundesrs,
1983.
print.